Alan is walking on a street and passes by a very busy construction site. He sees engineers hanging one end of various objects to the ceiling and the other end to heavy weights. They observe the objects and then then take down notes. What are the engineers doing?

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science is the study of the nature and behavior of natural things and the knowledge that we obtain about them. a science is a particular branch of science such as physics, chemistry, or biology. physics is the best example of a science which has developed strong, abstract theories.

pseudoscience is a collection of beliefs or practices mistakenly regarded as being based on scientific method.

plz rate as brainliest

answer: hi

explanation:

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clock

explanation:

always running (on) sing each hour (chime) and the clock face (front)

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what happend?

explanation: